Source Code for Player.cs
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class CameraFollow : MonoBehaviour{
public GameObject followObject;
public Vector2 followOffset;
public float speed = 3f;
private Vector2 threshold;
private Rigidbody2D rb;
// Start is called before the first frame update
void Start(){
threshold = calculateThreshold();
rb = followObject.GetComponent<Rigidbody2D>();
}
// Update is called once per frame
void FixedUpdate(){
Vector2 follow = followObject.transform.position;
float xDifference = Vector2.Distance(Vector2.right * transform.position.x, Vector2.right * follow.x);
float yDifference = Vector2.Distance(Vector2.up * transform.position.y, Vector2.up * follow.y);
Vector3 newPosition = transform.position;
if(Mathf.Abs(xDifference) >= threshold.x){
newPosition.x = follow.x;
}
if(Mathf.Abs(yDifference) >= threshold.y){
newPosition.y = follow.y;
}
float moveSpeed = rb.velocity.magnitude > speed ? rb.velocity.magnitude : speed;
transform.position = Vector3.MoveTowards(transform.position, newPosition, moveSpeed * Time.deltaTime);
}
private Vector3 calculateThreshold(){
Rect aspect = Camera.main.pixelRect;
Vector2 t = new Vector2(Camera.main.orthographicSize * aspect.width / aspect.height, Camera.main.orthographicSize);
t.x -= followOffset.x;
t.y -= followOffset.y;
return t;
}
private void OnDrawGizmos() {
Gizmos.color = Color.blue;
Vector2 border = calculateThreshold();
Gizmos.DrawWireCube(transform.position, new Vector3(border.x * 2, border.y * 2, 1));
}
}
